The seasonal wetting-drying cycles result in a down-slope creeping of the shallow soil layer, leading to progressive slope failure.
季节性干湿循环使得边坡浅层土体逐渐发生向坡下蠕变，以致边坡发生渐进累积破坏。
This paper analysed the forming environment and the forming condition and the cause type of the shallow layer soft soil for Kunming basin.
对昆明盆地浅层软土的形成环境条件、成因类型及分布规律进行了分析。
Whether the shallow layer of soil or the deep layer of soil, from 8:00 to 20:00, each treatment at different time, soil temperature were inverse ratio with water irrigation amount.
无论土壤浅层还是土壤深层，各不同处理在8：00 ~ 20：00之间各个时刻土壤温度的高低都与灌水量的多少成反比。
According to the failure mechanism of unsaturated expansive soil slope, the countermeasures to prevent shallow layer soil slide are suggested.
根据非饱和膨胀土边坡失稳的机理提出了防止边坡浅层滑动的对策措施。
Study of regularity of variation of water content in shallow layer of soil road cutting slopes in seasonally frozen-ground region;
冻胀形成的纵向裂缝和道路翻浆导致的沉陷鼓包及车辙变形是季节冻土区高速公路路基冻害的主要形式。
Study of regularity of variation of water content in shallow layer of soil road cutting slopes in seasonally frozen-ground region;
冻胀形成的纵向裂缝和道路翻浆导致的沉陷鼓包及车辙变形是季节冻土区高速公路路基冻害的主要形式。
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